$ git clone -n https://src.fedoraproject.org/rpms/rust-tokio-rustls.git /var/lib/mock/f38-build-side-42-init-devel-984772-29064/root/chroot_tmpdir/scmroot/rust-tokio-rustls
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-984772-29064/root/chroot_tmpdir/scmroot/rust-tokio-rustls'...
$ git fetch origin df5a2ab5b0fd9e46b5383a8ebf9744f72d16919c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tokio-rustls
 * [new ref]         df5a2ab5b0fd9e46b5383a8ebf9744f72d16919c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df5a2ab Update to version 0.23.4; Fixes RHBZ#2014620